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EP1649994A3 - Die for extrusion forming of ceramics - Google Patents

Die for extrusion forming of ceramics Download PDF

Info

Publication number
EP1649994A3
EP1649994A3 EP05256451A EP05256451A EP1649994A3 EP 1649994 A3 EP1649994 A3 EP 1649994A3 EP 05256451 A EP05256451 A EP 05256451A EP 05256451 A EP05256451 A EP 05256451A EP 1649994 A3 EP1649994 A3 EP 1649994A3
Authority
EP
European Patent Office
Prior art keywords
die
ceramics
extrusion forming
extrusion
forming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05256451A
Other languages
German (de)
French (fr)
Other versions
EP1649994A2 (en
EP1649994B1 (en
Inventor
Susumu NGK INSULATORS LTD. MATSUOKA
Kenichi NGK Insulators Ltd. Ito
Teruyoshi NGK Insulators Ltd. Mori
Takao NGK Insulators Ltd. Saito
Masayuki Shichi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of EP1649994A2 publication Critical patent/EP1649994A2/en
Publication of EP1649994A3 publication Critical patent/EP1649994A3/en
Application granted granted Critical
Publication of EP1649994B1 publication Critical patent/EP1649994B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/26—Deposition of carbon only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/26—Extrusion dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/26—Extrusion dies
    • B28B3/2672—Means for adjusting the flow inside the die, e.g. using choke means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/26—Extrusion dies
    • B28B3/269—For multi-channeled structures, e.g. honeycomb structures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

A die for extrusion-forming of ceramic formed bodies having a part coming in contact with extruded ceramic clay with a surface roughness (Ra) of 0.1 µm or more is disclosed. The die has excellent wear resistance and can remarkably reduce a defective body ratio.
EP05256451A 2004-10-21 2005-10-18 Die and method for extrusion forming of ceramics Active EP1649994B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004307169A JP4523378B2 (en) 2004-10-21 2004-10-21 Ceramic extrusion mold

Publications (3)

Publication Number Publication Date
EP1649994A2 EP1649994A2 (en) 2006-04-26
EP1649994A3 true EP1649994A3 (en) 2007-05-02
EP1649994B1 EP1649994B1 (en) 2012-07-25

Family

ID=35645895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05256451A Active EP1649994B1 (en) 2004-10-21 2005-10-18 Die and method for extrusion forming of ceramics

Country Status (4)

Country Link
US (1) US20060088621A1 (en)
EP (1) EP1649994B1 (en)
JP (1) JP4523378B2 (en)
CN (1) CN100569472C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2085198B1 (en) * 2006-10-27 2018-05-16 Hitachi Metals, Ltd. Die for molding honeycomb structure body and method of producing the same
JP4975426B2 (en) * 2006-12-19 2012-07-11 日本碍子株式会社 Die for forming honeycomb structure
JP4975481B2 (en) * 2007-02-27 2012-07-11 トーヨーエイテック株式会社 Die for press
JP5128968B2 (en) * 2008-01-17 2013-01-23 日本碍子株式会社 Ceramic extrusion mold
JP5496205B2 (en) * 2008-08-28 2014-05-21 コーニング インコーポレイテッド Abrasion resistant coating for tool dies
JP5184400B2 (en) * 2009-02-18 2013-04-17 日本碍子株式会社 Die for forming honeycomb structure
JP5313738B2 (en) * 2009-03-27 2013-10-09 日本碍子株式会社 Die for forming honeycomb structure
CN103072189A (en) * 2011-11-18 2013-05-01 常熟市创新陶瓷有限公司 Ceramic dry pressing mold
CN103072196A (en) * 2011-11-21 2013-05-01 常熟市创新陶瓷有限公司 Isostatic mold
JP6046712B2 (en) * 2012-06-04 2016-12-21 日本碍子株式会社 Die for forming honeycomb structure and method for manufacturing the same
CN104797390B (en) * 2012-11-27 2018-05-01 陶氏环球技术有限责任公司 It can extrude the bi-material layers mould and method of material for crush and grind
CN103950090A (en) * 2014-04-08 2014-07-30 湖北华星欧电子有限公司 Novel high-wear-resistant diamond extruding head
CN105269660B (en) * 2014-07-09 2017-08-15 江阴华音陶瓷机电科技有限公司 A kind of ceramic honeycomb filter extrusion die
CN104552571B (en) * 2014-12-02 2017-01-25 华南理工大学 A kind of porous honeycomb bioceramic and its special mold and preparation method
WO2020191955A1 (en) * 2019-03-25 2020-10-01 山东国瓷功能材料股份有限公司 Honeycomb structure, honeycomb-structured filter and extrusion mold

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364888A (en) * 1981-05-04 1982-12-21 Corning Glass Works Method and apparatus for extruding a honeycomb structure
US5997720A (en) * 1997-02-06 1999-12-07 Corning Incorporated Method for machining extrusion dies
US6299813B1 (en) * 1999-09-23 2001-10-09 Corning Incorporated Modified slot extrusion dies
US20020172765A1 (en) * 2001-05-17 2002-11-21 Ngk Insulators, Ltd. Mouth ring for forming a honeycomb-shaped green product, method for fabricating a mouth ring to form a honeycomb-shaped green product and apparatus for fabricating a mouth ring to form a honeycomb-shaped green product

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH085111B2 (en) * 1992-11-26 1996-01-24 日本碍子株式会社 Honeycomb structure manufacturing equipment
JP2925893B2 (en) 1993-08-13 1999-07-28 日本碍子株式会社 Honeycomb structure extrusion apparatus and method for manufacturing honeycomb structure using the same
JPH09109126A (en) * 1995-10-17 1997-04-28 Ngk Insulators Ltd Recycling method for honeycomb molding mouth piece
JP3745504B2 (en) * 1997-07-18 2006-02-15 日本碍子株式会社 Die for extruding honeycomb structure and manufacturing method thereof
JP2000005811A (en) 1998-06-24 2000-01-11 Topy Ind Ltd Manufacture of aluminum extrusion member
JP2002283327A (en) 2001-03-28 2002-10-03 Ngk Insulators Ltd Apparatus and method for extrusion of honeycomb structure
JP4425493B2 (en) * 2001-05-17 2010-03-03 日本碍子株式会社 Method for manufacturing honeycomb forming die and manufacturing apparatus for honeycomb forming die
JP4210446B2 (en) * 2001-09-19 2009-01-21 日本碍子株式会社 Die for honeycomb extrusion molding and manufacturing method thereof
WO2003084746A1 (en) 2002-04-04 2003-10-16 Lg Chem. Ltd. Wood flooring with laminated wood and plastic layers using symmetric structure and method of manufacturing the same
JP2008522873A (en) * 2004-12-09 2008-07-03 コーニング インコーポレイテッド Manufacture of honeycomb extrusion dies

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364888A (en) * 1981-05-04 1982-12-21 Corning Glass Works Method and apparatus for extruding a honeycomb structure
US5997720A (en) * 1997-02-06 1999-12-07 Corning Incorporated Method for machining extrusion dies
US6299813B1 (en) * 1999-09-23 2001-10-09 Corning Incorporated Modified slot extrusion dies
US20020172765A1 (en) * 2001-05-17 2002-11-21 Ngk Insulators, Ltd. Mouth ring for forming a honeycomb-shaped green product, method for fabricating a mouth ring to form a honeycomb-shaped green product and apparatus for fabricating a mouth ring to form a honeycomb-shaped green product

Also Published As

Publication number Publication date
US20060088621A1 (en) 2006-04-27
CN100569472C (en) 2009-12-16
JP4523378B2 (en) 2010-08-11
JP2006116814A (en) 2006-05-11
EP1649994A2 (en) 2006-04-26
EP1649994B1 (en) 2012-07-25
CN1762675A (en) 2006-04-26

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